^Agonic line
^Agonic line
Lines joining the places of zero declination. Along Agonic lines a compass needle will point geographical north. Thus the places east of agonic line will have the west declination as the compass needle point west of north.
^Agonic line
Lines joining the places of zero declination. Along Agonic lines a compass needle will point geographical north. Thus the places east of agonic line will have the west declination as the compass needle point west of north.